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Finding the Fourth Proportional to 61,285.82, 91,843.67 and 27,924.35

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Solution

The fourth proportional to 61,285.82, 91,843.67 and 27,924.35 is: 41,847.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,285.82 : 91,843.67 = 27,924.35 : x
  2. Step 2: Convert to fraction form
    61,285.82/91,843.67 = 27,924.35/x
  3. Step 3: Cross multiply
    61,285.82x = 91,843.67 × 27,924.35
  4. Step 4: Simplify right side
    61,285.82x = 2,564,674,327.15
  5. Step 5: Solve for x
    x = 2,564,674,327.15/61,285.82
  6. Step 6: Final answer
    x = 41,847.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.